“A popular radical Muslim cleric from Australia has joined the newly established Islamic State and traveled to Syria to support the establishment of the caliphate. Musa Cerantonio, who in the past had renounced his Australian citizenship, announced on his Twitter account that he has ‘arrived in the land of Khilafah [Caliphate] in Ash-Sham [Syria]!’ Cerantonio issued the statement on July 3.”
Source: Popular Australian cleric arrives in Syria, joins Islamic State – The Long War Journal